CU2: Gaia Simulator

TheCU2Unithas provided toGaiaDPACa hugevolume of data (tera–bytes)for the several purposes:

Mission design

Instrumentationdesign

Testing of reduction algorithms and their validation

Scientific results

The Gaia Simulator

TheBarcelonateamhas a strongparticipationin this CoordinationUnit. We are responsible forthe most importantmodules, such asthe twodata generators: GASS,designed to generatea large set ofGaiatelemetrydatain order toprepare datareductionalgorithm; GOC,able togenerate the finalcatalog ofthe mission.